Am Dienstag, 12. April 2016, 11:39:16 schrieb Salvatore Benedetto:
Hi Salvatore,
> * Implement MPI based Diffie-Hellman under kpp API
> * Add test with data generad by OpenSSL
>
> Signed-off-by: Salvatore Benedetto <salvatore.benedetto@xxxxxxxxx>
> ---
> crypto/Kconfig | 8 ++
> crypto/Makefile | 2 +
> crypto/dh.c | 233
> ++++++++++++++++++++++++++++++++++++++++++++++++++++ crypto/testmgr.c |
> 157 +++++++++++++++++++++++++++++++++++
> crypto/testmgr.h | 208 ++++++++++++++++++++++++++++++++++++++++++++++
> include/crypto/dh.h | 23 ++++++
> 6 files changed, 631 insertions(+)
> create mode 100644 crypto/dh.c
> create mode 100644 include/crypto/dh.h
>
> diff --git a/crypto/Kconfig b/crypto/Kconfig
> index 31bf962..89db25c 100644
> --- a/crypto/Kconfig
> +++ b/crypto/Kconfig
> @@ -110,6 +110,14 @@ config CRYPTO_RSA
> help
> Generic implementation of the RSA public key algorithm.
>
> +config CRYPTO_DH
> + tristate "Diffie-Hellman algorithm"
> + select CRYPTO_KPP
> + select MPILIB
> + help
> + Generic implementation of the Diffie-Hellman algorithm.
> +
> +
> config CRYPTO_MANAGER
> tristate "Cryptographic algorithm manager"
> select CRYPTO_MANAGER2
> diff --git a/crypto/Makefile b/crypto/Makefile
> index 5b60890..101f8fd 100644
> --- a/crypto/Makefile
> +++ b/crypto/Makefile
> @@ -32,6 +32,8 @@ obj-$(CONFIG_CRYPTO_HASH2) += crypto_hash.o
> obj-$(CONFIG_CRYPTO_AKCIPHER2) += akcipher.o
> obj-$(CONFIG_CRYPTO_KPP2) += kpp.o
>
> +obj-$(CONFIG_CRYPTO_DH) += dh.o
> +
> $(obj)/rsapubkey-asn1.o: $(obj)/rsapubkey-asn1.c $(obj)/rsapubkey-asn1.h
> $(obj)/rsaprivkey-asn1.o: $(obj)/rsaprivkey-asn1.c $(obj)/rsaprivkey-asn1.h
> clean-files += rsapubkey-asn1.c rsapubkey-asn1.h
> diff --git a/crypto/dh.c b/crypto/dh.c
> new file mode 100644
> index 0000000..b701848
> --- /dev/null
> +++ b/crypto/dh.c
> @@ -0,0 +1,233 @@
> +/* Diffie-Hellman Key Agreement Method [RFC2631]
> + *
> + * Copyright (c) 2016, Intel Corporation
> + * Authors: Salvatore Benedetto <salvatore.benedetto@xxxxxxxxx>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public Licence
> + * as published by the Free Software Foundation; either version
> + * 2 of the Licence, or (at your option) any later version.
> + */
> +
> +#include <linux/module.h>
> +#include <crypto/internal/kpp.h>
> +#include <crypto/kpp.h>
> +#include <crypto/dh.h>
> +#include <linux/mpi.h>
> +
> +struct dh_ctx {
> + MPI p;
> + MPI g;
> + MPI xa;
> +};
> +
> +static void dh_free_ctx(struct dh_ctx *ctx)
> +{
> + mpi_free(ctx->p);
> + mpi_free(ctx->g);
> + mpi_free(ctx->xa);
> + ctx->p = NULL;
> + ctx->g = NULL;
> + ctx->xa = NULL;
> +}
> +
> +/*
> + * Public key generation function [RFC2631 sec 2.1.1]
> + * ya = g^xa mod p;
> + */
> +static int _generate_public_key(const struct dh_ctx *ctx, MPI ya)
> +{
> + /* ya = g^xa mod p */
> + return mpi_powm(ya, ctx->g, ctx->xa, ctx->p);
> +}
> +
> +/*
> + * ZZ generation function [RFC2631 sec 2.1.1]
> + * ZZ = yb^xa mod p;
> + */
> +static int _compute_shared_secret(const struct dh_ctx *ctx, MPI yb,
> + MPI zz)
> +{
> + /* ZZ = yb^xa mod p */
> + return mpi_powm(zz, yb, ctx->xa, ctx->p);
> +}
> +
> +static inline struct dh_ctx *dh_get_ctx(struct crypto_kpp *tfm)
> +{
> + return kpp_tfm_ctx(tfm);
> +}
> +
> +static int dh_check_params_length(unsigned int p_len)
> +{
> + switch (p_len) {
> + case 1536:
> + case 2048:
> + case 3072:
> + case 4096:
> + case 6144:
> + case 8192:
> + return 0;
Does the math require this check?
Wouldn't it be better to implement limits to the low side (i.e. p_len < 1536)
and then add a real limit due to the implementation (e.g. it must be multiple
of full bytes)?
> + }
> + return -EINVAL;
> +}
> +
> +static int dh_set_params(struct crypto_kpp *tfm, void *buffer,
> + unsigned int len)
> +{
> + struct dh_ctx *ctx = dh_get_ctx(tfm);
> + struct dh_params *params = (struct dh_params *)buffer;
> +
> + if (unlikely(!buffer || !len))
> + return -EINVAL;
> +
> + if (unlikely(!params->p || !params->g))
> + return -EINVAL;
> +
> + if (dh_check_params_length(params->p_size << 3))
> + return -EINVAL;
> +
> + ctx->p = mpi_read_raw_data(params->p, params->p_size);
> + if (!ctx->p)
> + return -EINVAL;
> +
> + ctx->g = mpi_read_raw_data(params->g, params->g_size);
> + if (!ctx->g) {
> + mpi_free(ctx->p);
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
> +
> +static int dh_set_secret(struct crypto_kpp *tfm, void *buffer,
> + unsigned int len)
> +{
> + struct dh_ctx *ctx = dh_get_ctx(tfm);
> +
> + if (unlikely(!buffer || !len))
> + return -EINVAL;
> +
> + ctx->xa = mpi_read_raw_data(buffer, len);
> +
> + if (!ctx->xa)
> + return -EINVAL;
> +
> + return 0;
> +}
> +
> +static int dh_generate_public_key(struct kpp_request *req)
> +{
> + struct crypto_kpp *tfm = crypto_kpp_reqtfm(req);
> + const struct dh_ctx *ctx = dh_get_ctx(tfm);
> + MPI ya = mpi_alloc(0);
> + int ret = 0;
> + int sign;
> +
> + if (!ya)
> + return -ENOMEM;
> +
> + if (unlikely(!ctx->p || !ctx->g || !ctx->xa)) {
> + ret = -EINVAL;
> + goto err_free_ya;
> + }
> + ret = _generate_public_key(ctx, ya);
> + if (ret)
> + goto err_free_ya;
> +
> + ret = mpi_write_to_sgl(ya, req->dst, &req->dst_len, &sign);
> + if (ret)
> + goto err_free_ya;
> +
> + if (sign < 0)
> + ret = -EBADMSG;
> +
> +err_free_ya:
> + mpi_free(ya);
> + return ret;
> +}
> +
> +static int dh_compute_shared_secret(struct kpp_request *req)
> +{
> + struct crypto_kpp *tfm = crypto_kpp_reqtfm(req);
> + struct dh_ctx *ctx = dh_get_ctx(tfm);
> + MPI yb, zz = mpi_alloc(0);
> + int ret = 0;
> + int sign;
> +
> + if (!zz)
> + return -ENOMEM;
> +
> + if (unlikely(!ctx->p || !ctx->xa)) {
> + ret = -EINVAL;
> + goto err_free_zz;
> + }
> +
> + yb = mpi_read_raw_from_sgl(req->src, req->src_len);
> + if (!yb) {
> + ret = EINVAL;
> + goto err_free_zz;
> + }
> +
> + ret = _compute_shared_secret(ctx, yb, zz);
> + if (ret)
> + goto err_free_yb;
> +
> + ret = mpi_write_to_sgl(zz, req->dst, &req->dst_len, &sign);
> + if (ret)
> + goto err_free_yb;
> +
> + if (sign < 0)
> + ret = -EBADMSG;
> +
> +err_free_yb:
> + mpi_free(yb);
> +err_free_zz:
> + mpi_free(zz);
> + return ret;
> +}
> +
> +static int dh_max_size(struct crypto_kpp *tfm)
> +{
> + struct dh_ctx *ctx = dh_get_ctx(tfm);
> +
> + return mpi_get_size(ctx->p);
> +}
> +
> +static void dh_exit_tfm(struct crypto_kpp *tfm)
> +{
> + struct dh_ctx *ctx = dh_get_ctx(tfm);
> +
> + dh_free_ctx(ctx);
> +}
> +
> +static struct kpp_alg dh = {
> + .set_params = dh_set_params,
> + .set_secret = dh_set_secret,
> + .generate_public_key = dh_generate_public_key,
> + .compute_shared_secret = dh_compute_shared_secret,
> + .max_size = dh_max_size,
> + .exit = dh_exit_tfm,
> + .base = {
> + .cra_name = "dh",
> + .cra_driver_name = "dh-generic",
> + .cra_priority = 100,
> + .cra_module = THIS_MODULE,
> + .cra_ctxsize = sizeof(struct dh_ctx),
> + },
> +};
> +
> +static int dh_init(void)
> +{
> + return crypto_register_kpp(&dh);
> +}
> +
> +static void dh_exit(void)
> +{
> + crypto_unregister_kpp(&dh);
> +}
> +
> +module_init(dh_init);
> +module_exit(dh_exit);
> +MODULE_ALIAS_CRYPTO("dh");
> +MODULE_LICENSE("GPL");
> +MODULE_DESCRIPTION("DH generic algorithm");
> diff --git a/crypto/testmgr.c b/crypto/testmgr.c
> index b86883a..d68fa58 100644
> --- a/crypto/testmgr.c
> +++ b/crypto/testmgr.c
> @@ -32,6 +32,8 @@
> #include <crypto/rng.h>
> #include <crypto/drbg.h>
> #include <crypto/akcipher.h>
> +#include <crypto/kpp.h>
> +#include <crypto/dh.h>
>
> #include "internal.h"
>
> @@ -116,6 +118,11 @@ struct akcipher_test_suite {
> unsigned int count;
> };
>
> +struct kpp_test_suite {
> + struct kpp_testvec_dh *vecs;
> + unsigned int count;
> +};
> +
> struct alg_test_desc {
> const char *alg;
> int (*test)(const struct alg_test_desc *desc, const char *driver,
> @@ -130,6 +137,7 @@ struct alg_test_desc {
> struct cprng_test_suite cprng;
> struct drbg_test_suite drbg;
> struct akcipher_test_suite akcipher;
> + struct kpp_test_suite kpp;
> } suite;
> };
>
> @@ -1773,6 +1781,145 @@ static int alg_test_drbg(const struct alg_test_desc
> *desc, const char *driver,
>
> }
>
> +static int do_test_dh(struct crypto_kpp *tfm, struct kpp_testvec_dh *vec)
> +{
> + struct kpp_request *req;
> + void *input_buf = NULL;
> + void *output_buf = NULL;
> + struct tcrypt_result result;
> + unsigned int out_len_max;
> + int err = -ENOMEM;
> + struct scatterlist src, dst;
> + struct dh_params p;
> +
> + req = kpp_request_alloc(tfm, GFP_KERNEL);
> + if (!req)
> + return err;
> +
> + init_completion(&result.completion);
> +
> + /* Set p,g */
> + p.p = vec->p;
> + p.g = vec->g;
> + p.p_size = vec->p_size;
> + p.g_size = vec->g_size;
> + err = crypto_kpp_set_params(tfm, (void *)&p, sizeof(p));
> + if (err)
> + goto free_req;
> +
> + /* Set A private Key */
> + err = crypto_kpp_set_secret(tfm, vec->xa, vec->xa_size);
> + if (err)
> + goto free_req;
> +
> + out_len_max = crypto_kpp_maxsize(tfm);
> + output_buf = kzalloc(out_len_max, GFP_KERNEL);
> + if (!output_buf) {
> + err = -ENOMEM;
> + goto free_req;
> + }
> +
> + sg_init_one(&dst, output_buf, out_len_max);
> + kpp_request_set_output(req, &dst, out_len_max);
> + kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
> + tcrypt_complete, &result);
> +
> + /* Compute A public key = g^xa mod p */
> + err = wait_async_op(&result, crypto_kpp_generate_public_key(req));
> + if (err) {
> + pr_err("alg: dh: generate public key test failed. err %d\n",
err);
> + goto free_output;
> + }
> + /* Verify calculated public key */
> + if (memcmp(vec->expected_ya, sg_virt(req->dst), vec-
>expected_ya_size)) {
> + pr_err("alg: dh: generate public key test failed. Invalid
output\n");
> + err = -EINVAL;
> + goto free_output;
> + }
> +
> + /* Calculate shared secret key by using counter part public key. */
> + input_buf = kzalloc(vec->yb_size, GFP_KERNEL);
> + if (!input_buf) {
> + err = -ENOMEM;
> + goto free_output;
> + }
> +
> + memcpy(input_buf, vec->yb, vec->yb_size);
> + sg_init_one(&src, input_buf, vec->yb_size);
> + sg_init_one(&dst, output_buf, out_len_max);
> + kpp_request_set_input(req, &src, vec->yb_size);
> + kpp_request_set_output(req, &dst, out_len_max);
> + kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
> + tcrypt_complete, &result);
> + err = wait_async_op(&result, crypto_kpp_compute_shared_secret(req));
> + if (err) {
> + pr_err("alg: dh: compute shard secret test failed. err %d\n",
err);
> + goto free_all;
> + }
> + /*
> + * verify shared secret from which the user will derive
> + * secret key by executing whatever hash it has chosen
> + */
> + if (memcmp(vec->expected_ss, sg_virt(req->dst),
> + vec->expected_ss_size)) {
> + pr_err("alg: dh: compute shared secret test failed. Invalid
output\n");
> + err = -EINVAL;
> + }
> +
> +free_all:
> + kfree(input_buf);
> +free_output:
> + kfree(output_buf);
> +free_req:
> + kpp_request_free(req);
> + return err;
> +}
> +
> +static int test_dh(struct crypto_kpp *tfm, struct kpp_testvec_dh *vecs,
> + unsigned int tcount)
> +{
> + int ret, i;
> +
> + for (i = 0; i < tcount; i++) {
> + ret = do_test_dh(tfm, vecs++);
> + if (ret) {
> + pr_err("alg: dh: test failed on vector %d, err=%d\n",
> + i + 1, ret);
> + return ret;
> + }
> + }
> + return 0;
> +}
> +
> +static int test_kpp(struct crypto_kpp *tfm, const char *alg,
> + struct kpp_testvec_dh *vecs, unsigned int tcount)
> +{
> + if (strncmp(alg, "dh", 2) == 0)
> + return test_dh(tfm, vecs, tcount);
> +
> + return 0;
> +}
> +
> +static int alg_test_kpp(const struct alg_test_desc *desc, const char
> *driver, + u32 type, u32 mask)
> +{
> + struct crypto_kpp *tfm;
> + int err = 0;
> +
> + tfm = crypto_alloc_kpp(driver, type | CRYPTO_ALG_INTERNAL, mask);
> + if (IS_ERR(tfm)) {
> + pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
> + driver, PTR_ERR(tfm));
> + return PTR_ERR(tfm);
> + }
> + if (desc->suite.kpp.vecs)
> + err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
> + desc->suite.kpp.count);
> +
> + crypto_free_kpp(tfm);
> + return err;
> +}
> +
> static int do_test_rsa(struct crypto_akcipher *tfm,
> struct akcipher_testvec *vecs)
> {
> @@ -2708,6 +2855,16 @@ static const struct alg_test_desc alg_test_descs[] =
> { }
> }
> }, {
> + .alg = "dh",
> + .test = alg_test_kpp,
> + .fips_allowed = 1,
> + .suite = {
> + .kpp = {
> + .vecs = dh_tv_template,
> + .count = DH_TEST_VECTORS
> + }
> + }
> + }, {
> .alg = "digest_null",
> .test = alg_test_null,
> }, {
> diff --git a/crypto/testmgr.h b/crypto/testmgr.h
> index 487ec88..e9c34c7 100644
> --- a/crypto/testmgr.h
> +++ b/crypto/testmgr.h
> @@ -133,6 +133,21 @@ struct akcipher_testvec {
> bool public_key_vec;
> };
>
> +struct kpp_testvec_dh {
> + unsigned char *p;
> + unsigned char *g;
> + unsigned char *xa;
> + unsigned char *yb;
> + unsigned char *expected_ya;
> + unsigned char *expected_ss;
> + unsigned short p_size;
> + unsigned short g_size;
> + unsigned short xa_size;
> + unsigned short yb_size;
> + unsigned short expected_ya_size;
> + unsigned short expected_ss_size;
> +};
> +
> static char zeroed_string[48];
>
> /*
> @@ -330,6 +345,199 @@ static struct akcipher_testvec rsa_tv_template[] = {
> }
> };
>
> +#define DH_TEST_VECTORS 2
> +
> +struct kpp_testvec_dh dh_tv_template[] = {
> + {
> + .p =
> + "\xb9\x36\x3a\xf1\x82\x1f\x60\xd3\x22\x47\xb8\xbc\x2d\x22\x6b\x81"
> + "\x7f\xe8\x20\x06\x09\x23\x73\x49\x9a\x59\x8b\x35\x25\xf8\x31\xbc"
> + "\x7d\xa8\x1c\x9d\x56\x0d\x1a\xf7\x4b\x4f\x96\xa4\x35\x77\x6a\x89"
> + "\xab\x42\x00\x49\x21\x71\xed\x28\x16\x1d\x87\x5a\x10\xa7\x9c\x64"
> + "\x94\xd4\x87\x3d\x28\xef\x44\xfe\x4b\xe2\xb4\x15\x8c\x82\xa6\xf3"
> + "\x50\x5f\xa8\xe8\xa2\x60\xe7\x00\x86\x78\x05\xd4\x78\x19\xa1\x98"
> + "\x62\x4e\x4a\x00\x78\x56\x96\xe6\xcf\xd7\x10\x1b\x74\x5d\xd0\x26"
> + "\x61\xdb\x6b\x32\x09\x51\xd8\xa5\xfd\x54\x16\x71\x01\xb3\x39\xe6"
> + "\x4e\x69\xb1\xd7\x06\x8f\xd6\x1e\xdc\x72\x25\x26\x74\xc8\x41\x06"
> + "\x5c\xd1\x26\x5c\xb0\x2f\xf9\x59\x13\xc1\x2a\x0f\x78\xea\x7b\xf7"
> + "\xbd\x59\xa0\x90\x1d\xfc\x33\x5b\x4c\xbf\x05\x9c\x3a\x3f\x69\xa2"
> + "\x45\x61\x4e\x10\x6a\xb3\x17\xc5\x68\x30\xfb\x07\x5f\x34\xc6\xfb"
> + "\x73\x07\x3c\x70\xf6\xae\xe7\x72\x84\xc3\x18\x81\x8f\xe8\x11\x1f"
> + "\x3d\x83\x83\x01\x2a\x14\x73\xbf\x32\x32\x2e\xc9\x4d\xdb\x2a\xca"
> + "\xee\x71\xf9\xda\xad\xe8\x82\x0b\x4d\x0c\x1f\xb6\x1d\xef\x00\x67"
> + "\x74\x3d\x95\xe0\xb7\xc4\x30\x8a\x24\x87\x12\x47\x27\x70\x0d\x73",
> + .g = "\x02",
> + .xa =
> + "\x44\xc1\x48\x36\xa7\x2b\x6f\x4e\x43\x03\x68\xad\x31\x00\xda\xf3"
> + "\x2a\x01\xa8\x32\x63\x5f\x89\x32\x1f\xdf\x4c\xa1\x6a\xbc\x10\x15"
> + "\x90\x35\xc9\x26\x41\xdf\x7b\xaa\x56\x56\x3d\x85\x44\xb5\xc0\x8e"
> + "\x37\x83\x06\x50\xb3\x5f\x0e\x28\x2c\xd5\x46\x15\xe3\xda\x7d\x74"
> + "\x87\x13\x91\x4f\xd4\x2d\xf6\xc7\x5e\x14\x2c\x11\xc2\x26\xb4\x3a"
> + "\xe3\xb2\x36\x20\x11\x3b\x22\xf2\x06\x65\x66\xe2\x57\x58\xf8\x22"
> + "\x1a\x94\xbd\x2b\x0e\x8c\x55\xad\x61\x23\x45\x2b\x19\x1e\x63\x3a"
> + "\x13\x61\xe3\xa0\x79\x70\x3e\x6d\x98\x32\xbc\x7f\x82\xc3\x11\xd8"
> + "\xeb\x53\xb5\xfc\xb5\xd5\x3c\x4a\xea\x92\x3e\x01\xce\x15\x65\xd4"
> + "\xaa\x85\xc1\x11\x90\x83\x31\x6e\xfe\xe7\x7f\x7d\xed\xab\xf9\x29"
> + "\xf8\xc7\xf1\x68\xc6\xb7\xe4\x1f\x2f\x28\xa0\xc9\x1a\x50\x64\x29"
> + "\x4b\x01\x6d\x1a\xda\x46\x63\x21\x07\x40\x8c\x8e\x4c\x6f\xb5\xe5"
> + "\x12\xf3\xc2\x1b\x48\x27\x5e\x27\x01\xb1\xaa\xed\x68\x9b\x83\x18"
> + "\x8f\xb1\xeb\x1f\x04\xd1\x3c\x79\xed\x4b\xf7\x0a\x33\xdc\xe0\xc6"
> + "\xd8\x02\x51\x59\x00\x74\x30\x07\x4c\x2d\xac\xe4\x13\xf1\x80\xf0"
> + "\xce\xfa\xff\xa9\xce\x29\x46\xdd\x9d\xad\xd1\xc3\xc6\x58\x1a\x63",
> + .yb =
> + "\x2a\x67\x5c\xfd\x63\x5d\xc0\x97\x0a\x8b\xa2\x1f\xf8\x8a\xcb\x54"
> + "\xca\x2f\xd3\x49\x3f\x01\x8e\x87\xfe\xcc\x94\xa0\x3e\xd4\x26\x79"
> + "\x9a\x94\x3c\x11\x81\x58\x5c\x60\x3d\xf5\x98\x90\x89\x64\x62\x1f"
> + "\xbd\x05\x6d\x2b\xcd\x84\x40\x9b\x4a\x1f\xe0\x19\xf1\xca\x20\xb3"
> + "\x4e\xa0\x4f\x15\xcc\xa5\xfe\xa5\xb4\xf5\x0b\x18\x7a\x5a\x37\xaa"
> + "\x58\x00\x19\x7f\xe2\xa3\xd9\x1c\x44\x57\xcc\xde\x2e\xc1\x38\xea"
> + "\xeb\xe3\x90\x40\xc4\x6c\xf7\xcd\xe9\x22\x50\x71\xf5\x7c\xdb\x37"
> + "\x0e\x80\xc3\xed\x7e\xb1\x2b\x2f\xbe\x71\xa6\x11\xa5\x9d\xf5\x39"
> + "\xf1\xa2\xe5\x85\xbc\x25\x91\x4e\x84\x8d\x26\x9f\x4f\xe6\x0f\xa6"
> + "\x2b\x6b\xf9\x0d\xaf\x6f\xbb\xfa\x2d\x79\x15\x31\x57\xae\x19\x60"
> + "\x22\x0a\xf5\xfd\x98\x0e\xbf\x5d\x49\x75\x58\x37\xbc\x7f\xf5\x21"
> + "\x56\x1e\xd5\xb3\x50\x0b\xca\x96\xf3\xd1\x3f\xb3\x70\xa8\x6d\x63"
> + "\x48\xfb\x3d\xd7\x29\x91\x45\xb5\x48\xcd\xb6\x78\x30\xf2\x3f\x1e"
> + "\xd6\x22\xd6\x35\x9b\xf9\x1f\x85\xae\xab\x4b\xd7\xe0\xc7\x86\x67"
> + "\x3f\x05\x7f\xa6\x0d\x2f\x0d\xbf\x53\x5f\x4d\x2c\x6d\x5e\x57\x40"
> + "\x30\x3a\x23\x98\xf9\xb4\x32\xf5\x32\x83\xdd\x0b\xae\x33\x97\x2f",
> + .expected_ya =
> + "\x5c\x24\xdf\xeb\x5b\x4b\xf8\xc5\xef\x39\x48\x82\xe0\x1e\x62\xee"
> + "\x8a\xae\xdf\x93\x6c\x2b\x16\x95\x92\x16\x3f\x16\x7b\x75\x03\x85"
> + "\xd9\xf1\x69\xc2\x14\x87\x45\xfc\xa4\x19\xf6\xf0\xa4\xf3\xec\xd4"
> + "\x6c\x5c\x03\x3b\x94\xc2\x2f\x92\xe4\xce\xb3\xe4\x72\xe8\x17\xe6"
> + "\x23\x7e\x00\x01\x09\x59\x13\xbf\xc1\x2f\x99\xa9\x07\xaa\x02\x23"
> + "\x4a\xca\x39\x4f\xbc\xec\x0f\x27\x4f\x19\x93\x6c\xb9\x30\x52\xfd"
> + "\x2b\x9d\x86\xf1\x06\x1e\xb6\x56\x27\x4a\xc9\x8a\xa7\x8a\x48\x5e"
> + "\xb5\x60\xcb\xdf\xff\x03\x26\x10\xbf\x90\x8f\x46\x60\xeb\x9b\x9a"
> + "\xd6\x6f\x44\x91\x03\x92\x18\x2c\x96\x5e\x40\x19\xfb\xf4\x4f\x3a"
> + "\x02\x7b\xaf\xcc\x22\x20\x79\xb9\xf8\x9f\x8f\x85\x6b\xec\x44\xbb"
> + "\xe6\xa8\x8e\xb1\xe8\x2c\xee\x64\xee\xf8\xbd\x00\xf3\xe2\x2b\x93"
> + "\xcd\xe7\xc4\xdf\xc9\x19\x46\xfe\xb6\x07\x73\xc1\x8a\x64\x79\x26"
> + "\xe7\x30\xad\x2a\xdf\xe6\x8f\x59\xf5\x81\xbf\x4a\x29\x91\xe7\xb7"
> + "\xcf\x48\x13\x27\x75\x79\x40\xd9\xd6\x32\x52\x4e\x6a\x86\xae\x6f"
> + "\xc2\xbf\xec\x1f\xc2\x69\xb2\xb6\x59\xe5\xa5\x17\xa4\x77\xb7\x62"
> + "\x46\xde\xe8\xd2\x89\x78\x9a\xef\xa3\xb5\x8f\x26\xec\x80\xda\x39",
> + .expected_ss =
> + "\x8f\xf3\xac\xa2\xea\x22\x11\x5c\x45\x65\x1a\x77\x75\x2e\xcf\x46"
> + "\x23\x14\x1e\x67\x53\x4d\x35\xb0\x38\x1d\x4e\xb9\x41\x9a\x21\x24"
> + "\x6e\x9f\x40\xfe\x90\x51\xb1\x06\xa4\x7b\x87\x17\x2f\xe7\x5e\x22"
> + "\xf0\x7b\x54\x84\x0a\xac\x0a\x90\xd2\xd7\xe8\x7f\xe7\xe3\x30\x75"
> + "\x01\x1f\x24\x75\x56\xbe\xcc\x8d\x1e\x68\x0c\x41\x72\xd3\xfa\xbb"
> + "\xe5\x9c\x60\xc7\x28\x77\x0c\xbe\x89\xab\x08\xd6\x21\xe7\x2e\x1a"
> + "\x58\x7a\xca\x4f\x22\xf3\x2b\x30\xfd\xf4\x98\xc1\xa3\xf8\xf6\xcc"
> + "\xa9\xe4\xdb\x5b\xee\xd5\x5c\x6f\x62\x4c\xd1\x1a\x02\x2a\x23\xe4"
> + "\xb5\x57\xf3\xf9\xec\x04\x83\x54\xfe\x08\x5e\x35\xac\xfb\xa8\x09"
> + "\x82\x32\x60\x11\xb2\x16\x62\x6b\xdf\xda\xde\x9c\xcb\x63\x44\x6c"
> + "\x59\x26\x6a\x8f\xb0\x24\xcb\xa6\x72\x48\x1e\xeb\xe0\xe1\x09\x44"
> + "\xdd\xee\x66\x6d\x84\xcf\xa5\xc1\xb8\x36\x74\xd3\x15\x96\xc3\xe4"
> + "\xc6\x5a\x4d\x23\x97\x0c\x5c\xcb\xa9\xf5\x29\xc2\x0e\xff\x93\x82"
> + "\xd3\x34\x49\xad\x64\xa6\xb1\xc0\x59\x28\x75\x60\xa7\x8a\xb0\x11"
> + "\x56\x89\x42\x74\x11\xf5\xf6\x5e\x6f\x16\x54\x6a\xb1\x76\x4d\x50"
> + "\x8a\x68\xc1\x5b\x82\xb9\x0d\x00\x32\x50\xed\x88\x87\x48\x92\x17",
> + .p_size = 256,
> + .g_size = 1,
> + .xa_size = 256,
> + .yb_size = 256,
> + .expected_ya_size = 256,
> + .expected_ss_size = 256,
> + },
> + {
> + .p =
> + "\xb9\x36\x3a\xf1\x82\x1f\x60\xd3\x22\x47\xb8\xbc\x2d\x22\x6b\x81"
> + "\x7f\xe8\x20\x06\x09\x23\x73\x49\x9a\x59\x8b\x35\x25\xf8\x31\xbc"
> + "\x7d\xa8\x1c\x9d\x56\x0d\x1a\xf7\x4b\x4f\x96\xa4\x35\x77\x6a\x89"
> + "\xab\x42\x00\x49\x21\x71\xed\x28\x16\x1d\x87\x5a\x10\xa7\x9c\x64"
> + "\x94\xd4\x87\x3d\x28\xef\x44\xfe\x4b\xe2\xb4\x15\x8c\x82\xa6\xf3"
> + "\x50\x5f\xa8\xe8\xa2\x60\xe7\x00\x86\x78\x05\xd4\x78\x19\xa1\x98"
> + "\x62\x4e\x4a\x00\x78\x56\x96\xe6\xcf\xd7\x10\x1b\x74\x5d\xd0\x26"
> + "\x61\xdb\x6b\x32\x09\x51\xd8\xa5\xfd\x54\x16\x71\x01\xb3\x39\xe6"
> + "\x4e\x69\xb1\xd7\x06\x8f\xd6\x1e\xdc\x72\x25\x26\x74\xc8\x41\x06"
> + "\x5c\xd1\x26\x5c\xb0\x2f\xf9\x59\x13\xc1\x2a\x0f\x78\xea\x7b\xf7"
> + "\xbd\x59\xa0\x90\x1d\xfc\x33\x5b\x4c\xbf\x05\x9c\x3a\x3f\x69\xa2"
> + "\x45\x61\x4e\x10\x6a\xb3\x17\xc5\x68\x30\xfb\x07\x5f\x34\xc6\xfb"
> + "\x73\x07\x3c\x70\xf6\xae\xe7\x72\x84\xc3\x18\x81\x8f\xe8\x11\x1f"
> + "\x3d\x83\x83\x01\x2a\x14\x73\xbf\x32\x32\x2e\xc9\x4d\xdb\x2a\xca"
> + "\xee\x71\xf9\xda\xad\xe8\x82\x0b\x4d\x0c\x1f\xb6\x1d\xef\x00\x67"
> + "\x74\x3d\x95\xe0\xb7\xc4\x30\x8a\x24\x87\x12\x47\x27\x70\x0d\x73",
> + .g = "\x02",
> + .xa =
> + "\x4d\x75\xa8\x6e\xba\x23\x3a\x0c\x63\x56\xc8\xc9\x5a\xa7\xd6\x0e"
> + "\xed\xae\x40\x78\x87\x47\x5f\xe0\xa7\x7b\xba\x84\x88\x67\x4e\xe5"
> + "\x3c\xcc\x5c\x6a\xe7\x4a\x20\xec\xbe\xcb\xf5\x52\x62\x9f\x37\x80"
> + "\x0c\x72\x7b\x83\x66\xa4\xf6\x7f\x95\x97\x1c\x6a\x5c\x7e\xf1\x67"
> + "\x37\xb3\x93\x39\x3d\x0b\x55\x35\xd9\xe5\x22\x04\x9f\xf8\xc1\x04"
> + "\xce\x13\xa5\xac\xe1\x75\x05\xd1\x2b\x53\xa2\x84\xef\xb1\x18\xf4"
> + "\x66\xdd\xea\xe6\x24\x69\x5a\x49\xe0\x7a\xd8\xdf\x1b\xb7\xf1\x6d"
> + "\x9b\x50\x2c\xc8\x1c\x1c\xa3\xb4\x37\xfb\x66\x3f\x67\x71\x73\xa9"
> + "\xff\x5f\xd9\xa2\x25\x6e\x25\x1b\x26\x54\xbf\x0c\xc6\xdb\xea\x0a"
> + "\x52\x6c\x16\x7c\x27\x68\x15\x71\x58\x73\x9d\xe6\xc2\x80\xaa\x97"
> + "\x31\x66\xfb\xa6\xfb\xfd\xd0\x9c\x1d\xbe\x81\x48\xf5\x9a\x32\xf1"
> + "\x69\x62\x18\x78\xae\x72\x36\xe6\x94\x27\xd1\xff\x18\x4f\x28\x6a"
> + "\x16\xbd\x6a\x60\xee\xe5\xf9\x6d\x16\xe4\xb8\xa6\x41\x9b\x23\x7e"
> + "\xf7\x9d\xd1\x1d\x03\x15\x66\x3a\xcf\xb6\x2c\x13\x96\x2c\x52\x21"
> + "\xe4\x2d\x48\x7a\x8a\x5d\xb2\x88\xed\x98\x61\x79\x8b\x6a\x1e\x5f"
> + "\xd0\x8a\x2d\x99\x5a\x2b\x0f\xbc\xef\x53\x8f\x32\xc1\xa2\x99\x26",
> + .yb =
> + "\x99\x4d\xd9\x01\x84\x8e\x4a\x5b\xb8\xa5\x64\x8c\x6c\x00\x5c\x0e"
> + "\x1e\x1b\xee\x5d\x9f\x53\xe3\x16\x70\x01\xed\xbf\x4f\x14\x36\x6e"
> + "\xe4\x43\x45\x43\x49\xcc\xb1\xb0\x2a\xc0\x6f\x22\x55\x42\x17\x94"
> + "\x18\x83\xd7\x2a\x5c\x51\x54\xf8\x4e\x7c\x10\xda\x76\x68\x57\x77"
> + "\x1e\x62\x03\x30\x04\x7b\x4c\x39\x9c\x54\x01\x54\xec\xef\xb3\x55"
> + "\xa4\xc0\x24\x6d\x3d\xbd\xcc\x46\x5b\x00\x96\xc7\xea\x93\xd1\x3f"
> + "\xf2\x6a\x72\xe3\xf2\xc1\x92\x24\x5b\xda\x48\x70\x2c\xa9\x59\x97"
> + "\x19\xb1\xd6\x54\xb3\x9c\x2e\xb0\x63\x07\x9b\x5e\xac\xb5\xf2\xb1"
> + "\x5b\xf8\xf3\xd7\x2d\x37\x9b\x68\x6c\xf8\x90\x07\xbc\x37\x9a\xa5"
> + "\xe2\x91\x12\x25\x47\x77\xe3\x3d\xb2\x95\x69\x44\x0b\x91\x1e\xaf"
> + "\x7c\x8c\x7c\x34\x41\x6a\xab\x60\x6e\xc6\x52\xec\x7e\x94\x0a\x37"
> + "\xec\x98\x90\xdf\x3f\x02\xbd\x23\x52\xdd\xd9\xe5\x31\x80\x74\x25"
> + "\xb6\xd2\xd3\xcc\xd5\xcc\x6d\xf9\x7e\x4d\x78\xab\x77\x51\xfa\x77"
> + "\x19\x94\x49\x8c\x05\xd4\x75\xed\xd2\xb3\x64\x57\xe0\x52\x99\xc0"
> + "\x83\xe3\xbb\x5e\x2b\xf1\xd2\xc0\xb1\x37\x36\x0b\x7c\xb5\x63\x96"
> + "\x8e\xde\x04\x23\x11\x95\x62\x11\x9a\xce\x6f\x63\xc8\xd5\xd1\x8f",
> + .expected_ya =
> + "\x90\x89\xe4\x82\xd6\x0a\xcf\x1a\xae\xce\x1b\x66\xa7\x19\x71\x18"
> + "\x8f\x95\x4b\x5b\x80\x45\x4a\x5a\x43\x99\x4d\x37\xcf\xa3\xa7\x28"
> + "\x9c\xc7\x73\xf1\xb2\x17\xf6\x99\xe3\x6b\x56\xcb\x3e\x35\x60\x7d"
> + "\x65\xc7\x84\x6b\x3e\x60\xee\xcd\xd2\x70\xe7\xc9\x32\x1c\xf0\xb4"
> + "\xf9\x52\xd9\x88\x75\xfd\x40\x2c\xa7\xbe\x19\x1c\x0a\xae\x93\xe1"
> + "\x71\xc7\xcd\x4f\x33\x5c\x10\x7d\x39\x56\xfc\x73\x84\xb2\x67\xc3"
> + "\x77\x26\x20\x97\x2b\xf8\x13\x43\x93\x9c\x9a\xa4\x08\xc7\x34\x83"
> + "\xe6\x98\x61\xe7\x16\x30\x2c\xb1\xdb\x2a\xb2\xcc\xc3\x02\xa5\x3c"
> + "\x71\x50\x14\x83\xc7\xbb\xa4\xbe\x98\x1b\xfe\xcb\x43\xe9\x97\x62"
> + "\xd6\xf0\x8c\xcb\x1c\xba\x1e\xa8\xa6\xa6\x50\xfc\x85\x7d\x47\xbf"
> + "\xf4\x3e\x23\xd3\x5f\xb2\x71\x3e\x40\x94\xaa\x87\x83\x2c\x6c\x8e"
> + "\x60\xfd\xdd\xf7\xf4\x76\x03\xd3\x1d\xec\x18\x51\xa3\xf2\x44\x1a"
> + "\x3f\xb4\x7c\x18\x0d\x68\x65\x92\x54\x0d\x2d\x81\x16\xf1\x84\x66"
> + "\x89\x92\xd0\x1a\x5e\x1f\x42\x46\x5b\xe5\x83\x86\x80\xd9\xcd\x3a"
> + "\x5a\x2f\xb9\x59\x9b\xe4\x43\x84\x64\xf3\x09\x1a\x0a\xa2\x64\x0f"
> + "\x77\x4e\x8d\x8b\xe6\x88\xd1\xfc\xaf\x8f\xdf\x1d\xbc\x31\xb3\xbd",
> + .expected_ss =
> + "\x34\xc3\x35\x14\x88\x46\x26\x23\x97\xbb\xdd\x28\x5c\x94\xf6\x47"
> + "\xca\xb3\x19\xaf\xca\x44\x9b\xc2\x7d\x89\xfd\x96\x14\xfd\x6d\x58"
> + "\xd8\xc4\x6b\x61\x2a\x0d\xf2\x36\x45\xc8\xe4\xa4\xed\x81\x53\x81"
> + "\x66\x1e\xe0\x5a\xb1\x78\x2d\x0b\x5c\xb4\xd1\xfc\x90\xc6\x9c\xdb"
> + "\x5a\x30\x0b\x14\x7d\xbe\xb3\x7d\xb1\xb2\x76\x3c\x6c\xef\x74\x6b"
> + "\xe7\x1f\x64\x0c\xab\x65\xe1\x76\x5c\x3d\x83\xb5\x8a\xfb\xaf\x0f"
> + "\xf2\x06\x14\x8f\xa0\xf6\xc1\x89\x78\xf2\xba\x72\x73\x3c\xf7\x76"
> + "\x21\x67\xbc\x24\x31\xb8\x09\x65\x0f\x0c\x02\x32\x4a\x98\x14\xfc"
> + "\x72\x2c\x25\x60\x68\x5f\x2f\x30\x1e\x5b\xf0\x3b\xd1\xa2\x87\xa0"
> + "\x54\xdf\xdb\xc0\xee\x0a\x0f\x47\xc9\x90\x20\x2c\xf9\xe3\x52\xad"
> + "\x27\x65\x8d\x54\x8d\xa8\xa1\xf3\xed\x15\xd4\x94\x28\x90\x31\x93"
> + "\x1b\xc0\x51\xbb\x43\x5d\x76\x3b\x1d\x2a\x71\x50\xea\x5d\x48\x94"
> + "\x7f\x6f\xf1\x48\xdb\x30\xe5\xae\x64\x79\xd9\x7a\xdb\xc6\xff\xd8"
> + "\x5e\x5a\x64\xbd\xf6\x85\x04\xe8\x28\x6a\xac\xef\xce\x19\x8e\x9a"
> + "\xfe\x75\xc0\x27\x69\xe3\xb3\x7b\x21\xa7\xb1\x16\xa4\x85\x23\xee"
> + "\xb0\x1b\x04\x6e\xbd\xab\x16\xde\xfd\x86\x6b\xa9\x95\xd7\x0b\xfd",
> + .p_size = 256,
> + .g_size = 1,
> + .xa_size = 256,
> + .yb_size = 256,
> + .expected_ya_size = 256,
> + .expected_ss_size = 256,
> + }
> +};
> +
> /*
> * MD4 test vectors from RFC1320
> */
> diff --git a/include/crypto/dh.h b/include/crypto/dh.h
> new file mode 100644
> index 0000000..ca61066
> --- /dev/null
> +++ b/include/crypto/dh.h
> @@ -0,0 +1,23 @@
> +/*
> + * Diffie-Hellman params to be used with kpp API
> + *
> + * Copyright (c) 2016, Intel Corporation
> + * Authors: Salvatore Benedetto <salvatore.benedetto@xxxxxxxxx>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms of the GNU General Public License as published by the
> Free + * Software Foundation; either version 2 of the License, or (at your
> option) + * any later version.
> + *
> + */
> +#ifndef _CRYPTO_DH_
> +#define _CRYPTO_DH_
> +
> +struct dh_params {
> + void *p;
> + void *g;
> + unsigned int p_size;
> + unsigned int g_size;
> +};
> +
> +#endif
Ciao
Stephan
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| Nimm das Recht weg - |
| was ist dann der Staat noch anderes als eine große Räuberbande? |
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